Description
1756-IF4FXOF2F/B – Allen‑Bradley ControlLogix High-Speed Analog I/O Module
Product Overview
The 1756-IF4FXOF2F/B is a high-performance, high-speed analog combination I/O module for the Allen‑Bradley ControlLogix PLC platform. Designed for fast-response process control and high-precision analog signal acquisition, this module integrates 4 analog differential inputs and 2 analog outputs to streamline field signal conversion and closed-loop control tasks. The1756-IF4FXOF2F/B delivers ultra-fast sampling rates and high resolution, effectively eliminating signal lag and measurement errors in dynamic industrial processes, ensuring accurate and responsive system regulation for critical automation applications.
Technical Specifications
-
Brand: Allen‑Bradley (Rockwell Automation)
-
Model: 1756-IF4FXOF2F/B
-
Warranty: One Year
-
Condition: 100% New & Original
-
I/O Configuration: 4 differential analog inputs, 2 analog outputs
-
Input Resolution: 14-bit (voltage), 12-bit (current)
-
Input Ranges: ±10.5V, 0–10.5V, 0–5.25V, 0–21mA with overrange detection
-
Output Ranges: Configurable ±10V voltage / 0–20mA current signals
-
Sampling Rate: High-speed 100 kHz maximum sampling for dynamic process response
-
Accuracy: 0.05% of range post-calibration; ≤0.1% typical long-term stability
-
Operating Temp: -20℃ to +60℃ industrial standard range
-
Noise Rejection: 70dB typical 50/60Hz common-mode noise suppression
-
System Compatibility: Fully compatible with ControlLogix chassis and Logix5000 control systems
-
Connection: 36-pin terminal interface, supports removable terminal block (RTB) wiring

Application Scenarios
-
Dynamic Process Control: The 1756-IF4FXOF2F/B is widely deployed in chemical and refining process loops, providing high-speed analog signal acquisition and output adjustment for flow, pressure, and temperature closed-loop control to stabilize fluctuating process parameters.
-
Power & Energy Automation: Applied in power plant auxiliary control and energy management systems, capturing fast-changing electrical and process analog signals to support precise load regulation and real-time system monitoring.
-
High-Speed Machinery Automation: Suitable for motion control and precision manufacturing equipment, delivering low-latency analog feedback and command output to maintain high-accuracy synchronization and operational stability of automated machinery.








Reviews
There are no reviews yet.